U5W5 The Tools of Explorer's Trade

According to the text, one definition of technology is...

• the use of knowledge for practical purposes

• any digital device (tablet, computer, etc.)

• how high tech something is

According to the text, which items below qualify as technology?

• Axes from the Stone Age

• The wheel

• The telephone

• All of the above

What did sailors of early civilizations use to guide them?

• Google Maps

• A compass

• Satellites

• The North Star (or Polaris)

What is an astrolabe?

• A tool that helps with navigation

• A cluster of stars

• A type of scientist who studies the stars

• A map of the stars

The _________is a tool that uses the positions of the sun and stars to find a location on Earth.

• sextant

• astroblabe

• compass

• satellite

A _________ is made by balancing a magnetic needle above a circular dial.

• compass

• sextant

• astrolabe

• spinner

Looking at the line graph on page 369, the number of patents for technology has _________ over time

• increased

• decreased

• stayed the same